EHC26 - 20th European Headache Congress Date: 9–12 December 2026 | Venue: Berlin, DE Website: www.headache-congress.org http://www.headache-congress.org Abstract submission: https://headache-congress.org/programme-abstracts/abstract-submission Abstract deadline: 28 June 2026 Registration: https://headache-congress.org/registration Earl Bird Deadline: until 10 August 2026 Promotional Kit: https://headache-congress.org/general-information/downloads-announcements-links